TY  - BOOK
AU  - Ram Ballabh Dr.
TI  - Text Book of Co-ordinate Geometry: Text Book of Co-ordinate Geometry, Lucknow : Prakashan Kendra, 1961
U1  - 516.5 
PY  - 1961///
CY  - Lucknow
PB  - Prakashan Kendra
ER  -